Koibito wa Hatsujouki (Yaoi) manga

Koibito wa Hatsujouki (Yaoi)

恋人は発情期, My Lover in Heat

Genre(s) Romance , School Life , Smut , Supernatural , Yaoi ,
Author kamon saeko   2008 released.
Status Completed   
Latest Chapters Ch.7(end)


Kiyoharu, friendless and without a family, owns a single dog, Jirou. The dog, which miraculously turned into a human six months ago, went into heat and ravaged his master~

"Jiro, I love you very much - but it troubles me to have you make love to me so deeply." As Kiyoharu becomes deeply troubled, Jirou goes into heat yet again!

Other manga by the same author(s)

  • Oujisama Ni Narenai

    Oujisama Ni Narenai

  • Mitsu no Tsumatta Joushi

    Mitsu no Tsumatta Joushi

  • Neko Mata

    Neko Mata

  • Mousou Cherry

    Mousou Cherry

  • Futari No Musuko Ni Nerawarete Imasu

    Futari No Musuko Ni Nerawarete Imasu

  • Hatsujou Animal

  • Chikan Diary

    Chikan Diary

  • Royal Fiance

    Royal Fiance


Chapter Name

Date Added

Koibito wa Hatsujouki Ch.7(end)

Feb 11, 2011

Koibito wa Hatsujouki Ch.6

Feb 11, 2011

Koibito wa Hatsujouki Ch.5

Feb 11, 2011

Koibito wa Hatsujouki Ch.4

Feb 11, 2011

Koibito wa Hatsujouki Ch.3

Feb 11, 2011

Koibito wa Hatsujouki Ch.2

Feb 11, 2011

Koibito wa Hatsujouki Ch.1

Feb 11, 2011
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209 Responses

  1. Creepy stocker said at July 19, 2014 10:08 pm

    I love this manga

  2. mal said at July 19, 2014 1:17 am

    yoooooooooooooo what the friiiiiiiiiiiiick

  3. KKolorful said at July 11, 2014 6:29 am

    oh man I found it again!
    I freakin love the last story idk why but I have literally been daydreaming about it for the last like 5+ months haaaa

    • yaoifangirl27 said at July 13, 2014 8:09 pm


  4. Okane8aNai said at June 30, 2014 6:10 am

    wow >#< chapter 4-5 sure was something special. That cat was so hot tho *-* omgosh..

  5. onna31 said at June 25, 2014 10:35 pm

    Hot!!! Read with caution! Though i wish the last pairing have more scene,like the coworker worry he disappeared n serching for him....he been spirit away to some old time kingdom n such will b nice

  6. mangalover said at June 23, 2014 11:00 pm


  7. squishy 9264 said at June 19, 2014 4:46 am

    *Blinks* ... *speechless* .... Well, I have read a lot of yaoi, but THIS is something "different".

  8. fangirlforever said at June 18, 2014 11:28 pm

    i feel like i lost enough blood to fill entire oceans! massive nosebleed

  9. InLoveWithYaoi said at May 31, 2014 11:56 pm

    My nose have alot of blood coming out,it look like it was a murder scene in my room it everywhere!!

    • Binguiness said at June 13, 2014 10:12 am


  10. Mickey said at May 29, 2014 4:57 pm

    e...everything i ever need are in this manga *massive nosebleed*

  11. Kera said at May 28, 2014 6:36 pm

    good yaoi.

  12. illyria said at May 27, 2014 1:36 pm

    Woooooo, what did i just read @.@ bravo, Sensei you've yet again brought happiness to many people unforunately bloood loss too xD

  13. VampireKnight said at May 11, 2014 8:57 pm

    Nabu baby love it love it

  14. A unknown person said at May 7, 2014 4:30 pm

    When ch. 4 I was shock seeing that scence

  15. delicious creme puff said at May 7, 2014 10:18 am

    re-reading this again~ahh so yummy~

  16. Hanakimi said at May 4, 2014 6:11 pm

    Wish sensei and todou got a sequel,btw damn!!sensei's got a great ass!!!


  17. heretodaygonetomorrow said at May 2, 2014 4:48 am

    Toudou age maybe is 17 but how old Sugita his face look younger then his student, if his age same as Toudou and he get title professor Sugita must be genius

  18. LeStrange said at April 30, 2014 5:31 am

    After reading a lot of yaoi, i've come to love libraries.....

  19. Zed said at April 27, 2014 12:51 pm

    loooool more Kurosuke!! xD ahahaha

  20. Inochi said at April 26, 2014 11:13 pm

    waaaa, all this stories are so exciting !

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